99248 (2001 KY66)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5077035333 ± 6.40e-09
Semi-major axis (a)1.8664342312 AU ± 1.78e-09
Inclination (i)10.61167784° ± 1.60e-06
Long. of Asc. Node (Ω)284.10982964° ± 6.36e-06
Arg. of Perihelion (ω)61.54929256° ± 6.68e-06
Mean Anomaly (M)154.34676223° ± 1.30e-06
Mean Motion (n)0.3865389296°/day ± 5.53e-10
Perihelion dist (q)0.91883898 AU ± 1.20e-08
Aphelion dist (Q)2.81402949 AU ± 1.22e-08
Orbital Period2.54987585 yr ± 3.65e-09
Physical Parameters
H (abs. magnitude)16.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.381″
Uncertainty0
Orbit TypeApollo
MOID0.046263 AU
Observations Used3265
Oppositions21
Arc Total1991-2025
First Observation Used1991-06-08
Last Observation Used2025-03-10
Observations (5287)
Date Type RA Dec Mag Band Observatory
2019-12-21 08:44:24 s 1 -182318.27 9 +250910.44 7960.0 C57
2019-12-21 09:14:24 S 04 25 50.213 +33 17 50.50 V C57
2019-12-21 09:14:24 s 1 -182642.25 3 +249260.75 4020.0 C57
2019-12-21 09:44:24 S 04 25 49.606 +33 17 13.63 V C57
2019-12-21 09:44:24 s 1 -182958.26 1 +247600.34 5760.0 C57
2019-12-21 10:14:24 S 04 25 49.030 +33 16 38.21 V C57
2019-12-21 10:14:24 s 1 -183266.20 1 +245929.17 2950.0 C57
2019-12-21 10:44:24 S 04 25 48.398 +33 16 02.68 V C57
2019-12-21 10:44:24 s 1 -183565.97 2 +244247.20 5380.0 C57
2019-12-21 11:14:24 S 04 25 47.844 +33 15 27.79 V C57
2019-12-21 11:14:24 s 1 -183857.47 0 +242554.38 2840.0 C57
2019-12-21 11:44:24 S 04 25 47.141 +33 14 49.20 V C57
2019-12-21 11:44:24 s 1 -184140.58 9 +240850.65 5100.0 C57
2019-12-21 12:14:24 S 04 25 46.634 +33 14 14.82 V C57
2019-12-21 12:14:24 s 1 -184415.22 1 +239135.98 1940.0 C57
2019-12-21 12:44:24 S 04 25 46.073 +33 13 39.65 V C57
2019-12-21 12:44:24 s 1 -184681.25 7 +237410.31 3120.0 C57
2019-12-21 13:14:24 S 04 25 45.502 +33 13 03.97 V C57
2019-12-21 13:14:24 s 1 -184938.58 4 +235673.60 8420.0 C57
2019-12-21 13:44:24 S 04 25 44.880 +33 12 25.13 V C57
2019-12-21 13:44:24 s 1 -185187.08 9 +233925.79 7580.0 C57
2019-12-21 14:44:24 S 04 25 44.158 +33 11 16.73 V C57
2019-12-21 14:44:24 s 1 -185657.16 0 +230396.68 6530.0 C57
2019-12-21 15:14:24 S 04 25 43.272 +33 10 39.18 V C57
2019-12-21 15:14:24 s 1 -185878.48 8 +228615.29 5810.0 C57
2019-12-21 15:44:24 S 04 25 42.722 +33 10 03.50 V C57
2019-12-21 15:44:24 s 1 -186090.51 2 +226822.59 7940.0 C57
2019-12-21 16:14:24 S 04 25 42.060 +33 09 28.08 V C57
2019-12-21 16:14:24 s 1 -186293.10 7 +225018.54 2670.0 C57
2019-12-21 16:44:24 S 04 25 41.436 +33 08 52.04 V C57
2019-12-21 16:44:24 s 1 -186486.14 4 +223203.08 9720.0 C57
2019-12-21 17:14:24 S 04 25 40.992 +33 08 15.32 V C57
2019-12-21 17:14:24 s 1 -186669.49 1 +221376.16 8800.0 C57
2019-12-21 18:14:24 S 04 25 39.996 +33 07 02.53 V C57
2019-12-21 18:14:24 s 1 -187006.57 8 +217687.73 1960.0 C57
2019-12-21 18:44:24 S 04 25 39.430 +33 06 29.66 V C57
2019-12-21 18:44:24 s 1 -187160.04 1 +215826.11 5440.0 C57
2019-12-21 20:14:24 S 04 25 37.836 +33 04 45.12 V C57
2019-12-21 20:14:24 s 1 -187558.38 0 +210170.91 9850.0 C57
2019-12-21 21:44:24 S 04 25 36.295 +33 02 52.66 V C57
2019-12-21 21:44:24 s 1 -187860.47 9 +204409.03 3480.0 C57
2019-12-21 22:14:24 S 04 25 35.849 +33 02 18.64 V C57
2019-12-21 22:14:24 s 1 -187939.05 6 +202464.42 6290.0 C57
2019-12-21 23:14:24 S 04 25 34.788 +33 01 09.37 V C57
2019-12-21 23:14:24 s 1 -188062.03 2 +198538.86 7170.0 C57
2019-12-21 23:44:24 S 04 25 34.334 +33 00 31.90 V C57
2019-12-21 23:44:24 s 1 -188106.08 6 +196557.79 4520.0 C57
2019-12-22 00:44:24 S 04 25 33.358 +32 59 20.11 V C57
2019-12-22 00:44:24 s 1 -188158.43 5 +192558.76 1110.0 C57
2019-12-22 01:14:24 S 04 25 32.938 +32 58 44.72 V C57